package unit_3;

import java.util.Scanner;
public class Demo02 {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        System.out.print("请输入一个年份：");
        int year = sc.nextInt();
        if((year%4==0&&year%100!=0)||year%400==0)
            System.out.println(year+"是闰年");
        else
            System.out.println(year+"不是闰年");
    }
}
